1 files changed, 29 insertions, 0 deletions
diff --git a/test/SemaCUDA/reference-to-kernel-fn.cu b/test/SemaCUDA/reference-to-kernel-fn.cu
new file mode 100644
index 0000000000000..e502d134b0869
--- /dev/null
+++ b/test/SemaCUDA/reference-to-kernel-fn.cu
@@ -0,0 +1,29 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify \
+// RUN:   -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -std=c++11 -fcuda-is-device -fsyntax-only -verify \
+// RUN:   -verify-ignore-unexpected=note -DDEVICE %s
+
+// Check that we can reference (get a function pointer to) a __global__
+// function from the host side, but not the device side.  (We don't yet support
+// device-side kernel launches.)
+
+#include "Inputs/cuda.h"
+
+struct Dummy {};
+
+__global__ void kernel() {}
+
+typedef void (*fn_ptr_t)();
+
+__host__ __device__ fn_ptr_t get_ptr_hd() {
+  return kernel;
+#ifdef DEVICE
+  // expected-error@-2 {{reference to __global__ function}}
+#endif
+}
+__host__ fn_ptr_t get_ptr_h() {
+  return kernel;
+}
+__device__ fn_ptr_t get_ptr_d() {
+  return kernel;  // expected-error {{reference to __global__ function}}
+}